A child who weighs 40 kg receives a prescription for acetaminophen 15 mg/kg/dose PO every 4 to 6 hours PRN for fever. What is the maximum daily dose the nurse should administer? (Enter the numerical value only.)
The Correct Answer is ["3600"]
Here's how to calculate the maximum daily dose of acetaminophen for the child:
Calculate the maximum dose per administration:
Maximum dose per kg per administration = 15 mg/kg (given)
Child's weight = 40 kg (given)
Since this is a PRN medication (given as needed), we will calculate the maximum dose per administration based on the prescribed dosage.
Maximum dose per administration = 15 mg/kg/dose * 40 kg
Maximum dose per administration = 600 mg (round to nearest whole number)
Calculate the number of administrations in a 24-hour period (maximum):
Frequency: Every 4 to 6 hours PRN (given)
Since this is a PRN medication, we will assume the maximum frequency (every 4 hours) for calculating the maximum daily dose.
Number of administrations (maximum) = 24 hours / Frequency (hours/administration)
Number of administrations (maximum) = 24 hours / 4 hours/administration
Number of administrations (maximum) = 6 administrations
Calculate the maximum daily dose:
Maximum daily dose = Maximum dose per administration x Number of administrations (maximum)
Maximum daily dose = 600 mg/administration * 6 administrations
Maximum daily dose = 3600 mg
Therefore, the maximum daily dose the nurse should administer is 3600 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.25"]
Explanation
Here's how to calculate the volume the nurse should administer after reconstituting the medication:
Reconstitution:
The medication vial is labeled "0.3 mg with 1.2 mL of sterile water." This means adding 1.2 mL of diluent will result in a total volume of 1.2 mL solution.
Important Note:
The concentration of the medication after reconstitution is not explicitly provided on the label.
We cannot directly calculate the volume to administer based solely on the prescribed dose (0.0625 mg) and the unknown concentration.
Scenario:
In real-world practice, nurses rely on the medication information sheet or the manufacturer's label for dilution instructions and the final concentration after reconstitution.
This information is crucial for calculating the accurate volume to administer the prescribed dose.
Assuming the medication information sheet specifies:
After reconstitution with 1.2 mL diluent, the final concentration is 0.25 mg/mL.
Calculation (based on the assumed concentration):
Prescribed dose: 0.0625 mg
Volume to administer (mL) = Dose (mg) / Concentration (mg/mL)
Volume to administer (mL) = 0.0625 mg / 0.25 mg/mL
Volume to administer (mL) = 0.25 mL (round to nearest hundredth)
Therefore, based on the assumed concentration after reconstitution (0.25 mg/mL), the nurse should administer 0.25 mL to the client.
Correct Answer is ["0.8"]
Explanation
Here's how to calculate the volume (mL) of epoetin alfa the nurse should administer:
1. We know the following:
Prescribed dose: 8,200 units epoetin alfa (given)
Vial concentration: 10,000 units/mL (given from the label)
2. We need to find the volume (mL) to administer for the prescribed dose (8,200 units) considering the concentration (10,000 units/mL).
Volume to administer (mL) = Dose (units) / Concentration (units/mL)
Volume to administer (mL) = 8,200 units / 10,000 units/mL
Volume to administer (mL) = 0.82 mL (round to nearest tenth)
Therefore, the nurse should administer 0.8 mL of epoetin alfa subcutaneously.
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